body,
div,
span,
header,
footer,
nav,
section,
aside,
article,
ul,
dl,
dt,
dd,
li,
a,
p,
h1,
h2,
h3,
h4,
h5,
h6,
i,
b,
textarea,
button,
input,
select,
figure,
figcaption {
  padding: 0;
  margin: 0;
  list-style: none;
  text-decoration: none;
  border: none;
  color: #333;
  font-weight: normal;
  font-family: "Microsoft Yahei";
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}
body:hover,
div:hover,
span:hover,
header:hover,
footer:hover,
nav:hover,
section:hover,
aside:hover,
article:hover,
ul:hover,
dl:hover,
dt:hover,
dd:hover,
li:hover,
a:hover,
p:hover,
h1:hover,
h2:hover,
h3:hover,
h4:hover,
h5:hover,
h6:hover,
i:hover,
b:hover,
textarea:hover,
button:hover,
input:hover,
select:hover,
figure:hover,
figcaption:hover {
  outline: none;
}
::-webkit-scrollbar {
  width: 0px;
  height: 0px;
  background-color: #f5f5f5;
}
::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 1px rgba(0, 0, 0, 0);
  border-radius: 10px;
  background-color: #f5f5f5;
}
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  background-color: #555;
}
input[type="button"],
input[type="submit"],
input[type="search"],
input[type="reset"] {
  -webkit-appearance: none;
}
textarea {
  -webkit-appearance: none;
}
html,
body {
  height: 100%;
  width: 100%;
  background-color: #f5f5f5;
}
.clear:after {
  content: '';
  display: block;
  clear: both;
}
.clear {
  zoom: 1;
}
.back_img {
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.margin {
  margin: 0 auto;
}
.left {
  float: left;
}
.right {
  float: right;
}
.hide {
  display: none;
}
.show {
  display: block;
}
.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.paddingTop {
  padding-top: 1.95rem;
}
@keyframes backOpacity {
  0% {
    opacity: 1;
  }
  25% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
  75% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}
.animation_opacity {
  animation: backOpacity 2s ease-in-out infinite;
}
